Home / 108,564.14-163,585.76-89,274.80

Finding the Fourth Proportional to 108,564.14, 163,585.76 and 89,274.80

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Solution

The fourth proportional to 108,564.14, 163,585.76 and 89,274.80 is: 134,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,564.14 : 163,585.76 = 89,274.80 : x
  2. Step 2: Convert to fraction form
    108,564.14/163,585.76 = 89,274.80/x
  3. Step 3: Cross multiply
    108,564.14x = 163,585.76 × 89,274.80
  4. Step 4: Simplify right side
    108,564.14x = 14,604,086,006.85
  5. Step 5: Solve for x
    x = 14,604,086,006.85/108,564.14
  6. Step 6: Final answer
    x = 134,520.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.